<p>No evacuation has been ordered in Terrebonne, officials said.</p><p>Lafourche Parish has recommended residents south of the Golden Meadow floodgates evacuate today as Tropical Storm Gustav gains strength and heads toward the Gulf of Mexico.</p><p>Parish President Charlotte Randolph said that order will become mandatory at 9 a.m. Saturday. It will extend to all of Lafourche at 3 p.m. Saturday.</p><p>Grand Isle is under a voluntary evacuation today but expects to make it mandatory Saturday, town officials said this morning.</p>